Circulatory System

State one reason why blood at location B contains more oxygen than blood at location A.

• because blood at location A goes to the lungs

• because blood at location A comes from the lungs

• because blood at location B comes from the lungs

• because blood at location B goes to the lungs

Select the structure and explanation of how it contributes to the way the human system functions.

• heart replaces carbon dioxide with oxygen

• blood vessels transport nutrients and oxygen

• heart replaces oxygen with carbon dioxide

• blood vessels pump heart rate

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NGSS.MS-LS1-3

State the general relationship between exercise and heart rate in humans.

• If a person exercises, then their heart rate will not change

• If a person exercises, then their heart rate will increase

• If a person exercises, then their heart rate will decrease

• Person exercising and heart rate are not related

Identify one way to determine a person's heart rates.

• put a hand on the heart to measure pulse

• put a thumb on the wrist to measure pulse

• put a thumb on the neck to measure pulse

• put two fingers on the wrist to measure pulse

How many main functions does the circulatory system have?

• 1

• 2

• 3

• 4

Which list correctly names the major parts of the circulatory system?

• Heart, blood vessels, blood, bones

• Heart, blood, blood vessels

• Heart, blood vessels, bone marrow, blood

• Heart, blood vessels, bone marrow

Put the types of blood vessels in order from "smallest" to "largest"

• Capillaries, arteries, veins

• Veins, capillaries, arteries

• Arteries, veins, capillaries

• Capillaries, veins, arteries

Which is NOT a main function of the circulatory system?

• It transports carbon dioxide back to the lungs

• It delivers nutrients from food

• Connects all the cells in the body

• It carries oxygen throughout the body

Which carries oxygen-rich blood away from the heart?

• Arteries

• Veins

• Capillaries

• Marrow

Which carries oxygen-poor blood back to the heart?

• Arteries

• Veins

• Capillaries

• Platelets